One example would be the new notification APIs for Windows 10 universal platform. Can I use this set of APIs in a WPF app? If so are there any limitations?
Links to
No, You can't - at least for now - But there's a progress on a project called "Centennial" Which will enable you to do so.
More see "bridges".
Yes, you can now. https://blogs.windows.com/buildingapps/2017/01/25/calling-windows-10-apis-desktop-application/